Where can I sell a cursed painting?

[ali.bh9574]

I am currently in possession of a portrait painting of a woman from 1733, modern-day Latvia. Two different mediums told me that it contains a powerful demonic presence.
The painting is covered by a cloak to calm it, but sometimes it changes walls or releases very unpleasant odor, similar to rotten flesh.
I want to get rid of it but don’t know where to sell such an item. Any suggestions would be greatly appreciated.